A 23-year-old woman presents with nephrolithiasis (kidney stone). She has a 5 mm calculus in her distal ureter causing moderate colic. According to NICE guidelines, what is the recommended initial management if the patient is stable?AImmediate surgical removal (ureteroscopy)BExtracorporeal shock wave lithotripsy (ESWL)CTrial of medical expulsive therapy with an alpha-blockerDPercutaneous nephrolithotomyEPrescribe analgesics and watchful waiting onlyCheck my answer